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Finding the Fourth Proportional to 6,606.68, 9,913.72 and 2,713.80

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Solution

The fourth proportional to 6,606.68, 9,913.72 and 2,713.80 is: 4,072.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,606.68 : 9,913.72 = 2,713.80 : x
  2. Step 2: Convert to fraction form
    6,606.68/9,913.72 = 2,713.80/x
  3. Step 3: Cross multiply
    6,606.68x = 9,913.72 × 2,713.80
  4. Step 4: Simplify right side
    6,606.68x = 26,903,853.34
  5. Step 5: Solve for x
    x = 26,903,853.34/6,606.68
  6. Step 6: Final answer
    x = 4,072.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.